Home / 56,319.20-84,417.76-36,611.92

Finding the Fourth Proportional to 56,319.20, 84,417.76 and 36,611.92

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Solution

The fourth proportional to 56,319.20, 84,417.76 and 36,611.92 is: 54,878.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    56,319.20 : 84,417.76 = 36,611.92 : x
  2. Step 2: Convert to fraction form
    56,319.20/84,417.76 = 36,611.92/x
  3. Step 3: Cross multiply
    56,319.20x = 84,417.76 × 36,611.92
  4. Step 4: Simplify right side
    56,319.20x = 3,090,696,275.70
  5. Step 5: Solve for x
    x = 3,090,696,275.70/56,319.20
  6. Step 6: Final answer
    x = 54,878.20

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.